RU2013120086A

RU2013120086A - LOCATION INFORMATION AGGREGATION DEVICE AND METHOD OF LOCATION INFORMATION AGGREGATION

Info

Publication number: RU2013120086A
Application number: RU2013120086/08A
Authority: RU
Inventors: Мотонари КОБАЯСИ; Масаюки ТЕРАДА; Итиро ОКАДЗИМА
Original assignee: Нтт Докомо, Инк.
Priority date: 2010-10-13
Filing date: 2011-10-13
Publication date: 2014-11-20
Also published as: US20130137459A1; US8880095B2; KR20130062326A; EP2629249A1; EP2629249A4; CN103154979A; RU2540824C2; BR112013008894A2; JPWO2012050176A1; JP5627702B2; WO2012050176A1

Abstract

1. Устройство агрегации информации о местоположении, содержащее:секцию приема информации о местоположении, которая принимает информацию о местоположении, которая относится к местоположениям множества терминалов мобильной связи, совместно с информацией о времени, когда была получена информация о местоположении, информацией указания пользователя, указывающей пользователя терминала мобильной связи, соответствующего каждой информации о местоположении, и информацией атрибутов, представляющей собой атрибут, включающий в себя информацию адреса пользователя;секцию вычисления показателя получения, которая вычисляет показатель получения информации о местоположении для каждой ограниченной территории множества терминалов мобильной связи, используя данные статистики населения каждой ограниченной территории на заранее определенной обширной территории, и информацию о местоположении во временном диапазоне, которая назначена из числа информации о местоположении, принятой секцией приема информации о местоположении; исекцию агрегации, которая агрегирует распределение населения на определенной территории посредством извлечения информации о местоположении, соответствующей определенной территории, на основе информации о местоположении, принятой секцией приема информации о местоположении, и агрегации информации о местоположении, в которой отражается показатель получения информации о местоположении для ограниченной территории,соответствующей информации адреса, включенной в информацию о местоположении.2. Устройство агрегации информации о местоположении по п.1,в котором секция вычисления показателя пол�1. A location information aggregator, comprising: a location information receiving section that receives location information that relates to the locations of a plurality of mobile communication terminals, together with information about the time when the location information was acquired, user indication information indicating a user a mobile communication terminal corresponding to each location information and attribute information being an attribute including address information of a user; an acquisition rate calculation section that calculates an acquisition rate of location information for each limited area of a plurality of mobile communication terminals using population statistics each limited area in a predetermined wide area, and position information in the time range, which is assigned from among the position information received by the site information receiving section top position; and an aggregation section that aggregates the distribution of the population in a specific area by extracting location information corresponding to a specific area based on the location information received by the location information receiving section and aggregating the location information, which reflects the location information acquisition metric for a limited area corresponding to the address information included in the location information. 2. The location information aggregator according to claim 1, wherein the field index calculating section

Claims

1. A device for the aggregation of location information, comprising:

a location information reception section that receives location information that relates to locations of a plurality of mobile communication terminals, together with time information when the location information was received, user indication information indicating a user of the mobile communication terminal corresponding to each location information, and attribute information representing an attribute including user address information;

a receipt metric calculation section that calculates a location information obtaining rate for each limited territory of a plurality of mobile communication terminals using population statistics of each limited territory in a predetermined vast territory, and time-domain location information that is assigned from among the location information, the received location information receiving section; and

an aggregation section that aggregates the distribution of a population in a certain territory by extracting location information corresponding to a certain territory based on the location information received by the location information receiving section and aggregating location information, which reflects an indicator of obtaining location information for a limited territory corresponding to the address information included in the location information.

2. The device aggregation of location information according to claim 1,

in which the calculation section of the acquisition rate obtains a location information acquisition rate by calculating a relationship between population statistics and the number of terminals based on the location information.

3. The device aggregation of location information according to claim 1,

in which the calculation section of the acquisition rate receives a location information acquisition rate using population statistics for each attribute and location information aggregated for each attribute information.

4. The device aggregation of location information according to claim 1,

further comprising a section for storing location information, which accordingly stores user indication information, location information, time information, and attribute information representing an attribute including user address information,

wherein the calculation section of the acquisition rate calculates a location information acquisition rate based on information that is stored in the storage section of the location information.

5. The device aggregation of location information according to claim 1,

wherein the location information receiving section receives location information including two or more types of attribute information,

the acquisition rate calculation section repeatedly calculates location information acquisition rates for each of two or more attribute types of the plurality of mobile communication terminals using population statistics and location information, and

the aggregation section aggregates location information, while repeatedly reflecting the location information obtaining indicators for each of two or more types of attributes corresponding to the location information attribute information in the location information.

6. The device aggregation of location information according to claim 1,

in which the aggregation section aggregates the distribution of the population by correcting the location information using the value obtained by dividing the total number of fragments of location information within the vast territory by the total number of fragments of population statistics over the vast territory and performing aggregation.

7. The device aggregation of location information according to claim 1,

further comprising a forming section that generates a transition matrix representing the relationship between the attributes of the actual users of all mobile communication terminals and the attributes of counterparties of all mobile communication terminals represented by counterparty information, and generates an inverse matrix based on the transition matrix,

at the same time, the aggregation section adjusts the population distribution for each attribute using the inverse matrix formed by the formation section when aggregating location information in a certain territory.

8. The device aggregation of location information according to claim 1,

wherein the location information receiving section receives location information, which further includes time information that relates to receiving location information,

wherein the location information aggregation device further comprises:

the section for obtaining location information “before” and “after”, which obtains, with respect to the first location information, from the location information received by the location information receiving section, time information of the second location information, which is immediately preceding information about location with respect to the first location information, among the pieces of location information including exactly the same user direction information as the first information I about the location, and time information of the third location information, which is immediately subsequent location information with respect to the first location information, and

a feature value calculating section that calculates a feature value for the first location information based on two or more of: time information of the first location information, time information of the second location information, and time information of the third location information, wherein

the receiving metric calculation section calculates a location information obtaining metric for each limited territory of the plurality of mobile communication terminals using population statistics and a feature value, and

the aggregation section reflects the indicator of obtaining location information for a limited territory, the corresponding address information that is included in the location information, in the attribute value for location information corresponding to a certain territory, and aggregates the distribution of the population in a certain territory.

9. The device aggregation of location information according to claim 8,

the aggregation section adjusts the distribution of the population for each attribute when using the inverse matrix formed by the formation section when aggregating location information in a certain territory.

10. The device aggregation of location information according to any one of claims 1 to 9,

wherein the location information receiving section performs a privacy protection process including converting user indication information included in the received location information into an irreversible code by means of a one-way function.

11. A method for aggregating location information, comprising the steps of:

receive, by the location information aggregation device, location information that relates to the locations of the plurality of mobile communication terminals, together with time information when the location information was received, user indication information indicating a user of the mobile communication terminal corresponding to each location information and attribute information representing an attribute including user address information;

calculating, by the location information aggregation device, a location information acquisition rate for each limited territory of a plurality of mobile communication terminals using population statistics of each limited territory in a predetermined vast territory and time-domain location information that is assigned from among the location information adopted by the location information receiving section; and

aggregate, by means of a location information aggregation device, a population distribution in a certain territory, by extracting location information corresponding to a specific territory, based on a location information received by a location information aggregation device, and aggregating location information, which reflects an information acquisition rate location information for a limited area corresponding to the address information included in the location information and.